Home / 195,689.15-270,046.17-109,651.67

Finding the Fourth Proportional to 195,689.15, 270,046.17 and 109,651.67

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Solution

The fourth proportional to 195,689.15, 270,046.17 and 109,651.67 is: 151,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,689.15 : 270,046.17 = 109,651.67 : x
  2. Step 2: Convert to fraction form
    195,689.15/270,046.17 = 109,651.67/x
  3. Step 3: Cross multiply
    195,689.15x = 270,046.17 × 109,651.67
  4. Step 4: Simplify right side
    195,689.15x = 29,611,012,167.37
  5. Step 5: Solve for x
    x = 29,611,012,167.37/195,689.15
  6. Step 6: Final answer
    x = 151,316.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.